Home / 15,548.27-21,453.41-9,174.54

Finding the Fourth Proportional to 15,548.27, 21,453.41 and 9,174.54

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Solution

The fourth proportional to 15,548.27, 21,453.41 and 9,174.54 is: 12,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,548.27 : 21,453.41 = 9,174.54 : x
  2. Step 2: Convert to fraction form
    15,548.27/21,453.41 = 9,174.54/x
  3. Step 3: Cross multiply
    15,548.27x = 21,453.41 × 9,174.54
  4. Step 4: Simplify right side
    15,548.27x = 196,825,122.31
  5. Step 5: Solve for x
    x = 196,825,122.31/15,548.27
  6. Step 6: Final answer
    x = 12,658.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.